<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>类式组件</title>
</head>
<body>
    <!-- 准备好一个容器 -->
    <div id="test"></div>

    <!-- 引入react核心库 -->
    <script type="text/javascript" src="../js/react.development.js"></script>
    <script type="text/javascript" src="../js/react-dom.development.js"></script>
    <script type="text/javascript" src="../js/babel.min.js"></script>

    <script type="text/babel">  /*此处一定要写babel*/
        //1.创建类式组件
        class MyComponent extends React.Component{
            render(){
                return <h2>我是用类定义的组件(适用于复杂组件的定义)</h2>
            }
        }

        //2.渲染组件到页面
        ReactDOM.render(<MyComponent/>,document.getElementById("test"))
    </script>
</body>
</html>